The Boston Celtics are "working to clear roster space" as they wait to announce the Evan Turner signing, the Boston Globe's Gary Washburn reported over the weekend.

Turner has already agreed to terms with the Celtics, and he will ultimately put his signature to a contract. But Washburn indicated the deal might not become official until Boston's roster is trimmed to the NBA limit.

With three guards on nonguaranteed contracts, the Celtics could get down to the league maximum of 15 players -- including Turner -- just by waiving Chris Babb, Chris Johnson and Keith Bogans. But Danny Ainge could still try to use at least some of that nonguaranteed money (about $7 million) in a trade, and Boston's rebuilding status could leave a few other veterans expendable. I would guess Jeff Green and Brandon Bass are the most likely to go, but I've been wrong several million times before. The question of Rajon Rondo's future will also be answered at some point in the next year.

In the meantime, it would be nice if Ainge pulls another asset-acquiring move out of his back pocket. Realistically, though, the roster situation might not change much by opening night.